Delete this code. If you don't feel confident to do it you can create a copy of the original file in case in goes wrong.

Normally, at last line, is the link to the developer website and antivirus detect it like unwanted Pub. Know, go to the last line of the file and delete this tag:<p class="dnn">By A <a href="http://www.autson.com/" title="web design company">Web Design</a></p>

in autsonImageSlider module example. Proceed the same way to the other modules.